[Event "Quebec op inv."]
[Site "Montreal CAN"]
[Date "2012.07.23"]
[Round "4"]
[White "Calugar, Arthur"]
[Black "Greeff, Melissa"]
[Result "1-0"]
[WhiteElo "2271"]
[BlackElo "2091"]
[PlyCount "81"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 c5 4.g3 Nc6 5.Bg2 a6 6.O-O Qc7 7.d3 Be7 8.e4 d6 9.Ne1 Rb8 10.f4 O-O 11.g4 Rd8 12.g5 Nd7 13.a4 Nd4 14.Be3 Nf8 15.f5 f6 16.Qh5 fxg5 17.Bxg5 Bxg5 18.Qxg5 b5 19.axb5 axb5 20.fxe6 Bxe6 21.Nd5 Bxd5 22.Qxd5+ Nfe6 23.Nc2 Qb7 24.Qxb7 Rxb7 25.Nxd4 Nxd4 26.e5 Re7 27.exd6 Red7 28.Bd5+ Kh8 29.Ra6 g6 30.cxb5 Rxd6 31.Bc4 R6d7 32.b6 Kg7 33.Ra7 Kh6 34.Rf7 Rxf7 35.Rxf7 Rb8 36.b7 Nf5 37.Bd5 Nd6 38.Rd7 Ne8 39.Bc6 g5 40.Re7 Nf6 41.Rc7 1-0